<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1" />
    <title></title>
  </head>
  <body>
    <canvas
      id="c1"
      width="600"
      height="600"
      style="border: solid 1px #ccc"
    ></canvas>
    <script src="index.js"></script>
  </body>
</html>
